Front bumper for an automobile



FIG. 1 is a front and side perspective view of a front bumper for an automobile showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side view thereof; and,

FIG. 5 is a right side view thereof.

The broken lines form no part of the claimed design. 

CLAIM The ornamental design for a front bumper for an automobile, as shown and described. 